Light bar



FIG. 1 is a perspective view of a first embodiment of a light bar;

FIG. 2 is a front elevation view of FIG. 1;

FIG. 3 is a rear elevation view of FIG. 1;

FIG. 4 is a right elevation view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1; and,

FIG. 7 is a left elevation view of FIG. 1.

The broken lines shown in the drawings depict portions of the light barthat form no part of the claimed design.

CLAIM The ornamental design for a light bar, as shown and described.